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CA2171085C - Polymeres pulverulents absorbant des liquides aqueux, leur procede de preparation et leur utilisation comme absorbants - Google Patents

Polymeres pulverulents absorbant des liquides aqueux, leur procede de preparation et leur utilisation comme absorbants

Info

Publication number
CA2171085C
CA2171085C CA002171085A CA2171085A CA2171085C CA 2171085 C CA2171085 C CA 2171085C CA 002171085 A CA002171085 A CA 002171085A CA 2171085 A CA2171085 A CA 2171085A CA 2171085 C CA2171085 C CA 2171085C
Authority
CA
Canada
Prior art keywords
cross
water
polymer
acid
polymers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002171085A
Other languages
English (en)
Other versions
CA2171085A1 (fr
Inventor
Helmut Brehm
Hans-Georg Hartan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stockhausen GmbH and Co KG
Original Assignee
Chemische Fabrik Stockhausen GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chemische Fabrik Stockhausen GmbH filed Critical Chemische Fabrik Stockhausen GmbH
Publication of CA2171085A1 publication Critical patent/CA2171085A1/fr
Application granted granted Critical
Publication of CA2171085C publication Critical patent/CA2171085C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K17/00—Soil-conditioning materials or soil-stabilising materials
    • C09K17/14—Soil-conditioning materials or soil-stabilising materials containing organic compounds only
    • C09K17/16—Soil-conditioning materials or soil-stabilising materials containing organic compounds only applied in a physical form other than a solution or a grout, e.g. as platelets or granules
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
    • C05G3/80—Soil conditioners
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
    • C05G5/00—Fertilisers characterised by their form
    • C05G5/40—Fertilisers incorporated into a matrix
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/44—Preparation of metal salts or ammonium salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2810/00—Chemical modification of a polymer
    • C08F2810/20—Chemical modification of a polymer leading to a crosslinking, either explicitly or inherently

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Epidemiology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymerisation Methods In General (AREA)
  • Insulated Conductors (AREA)
  • Soil Conditioners And Soil-Stabilizing Materials (AREA)
  • Sealing Material Composition (AREA)
  • Cultivation Of Plants (AREA)

Abstract

L'invention concerne des polymérisats pulvérulents, insolubles, gonflants dans l'eau, réticulés qui absorbent l'eau, des liquides aqueux ou séreux et qui contiennent: a) entre 55 et 99,9 % en poids de monomères polymérisés insaturés contenant des groupes acides, qui sont neutralisés à au moins 25 % en moles, b) entre 0 et 40 % en poids de monomères polymérisés insaturés, copolymérisables avec (a), c) entre 0,1 et 5,0 % d'un réticulant et d) entre 0 et 30 % en poids d'un polymère soluble dans l'eau. Les quantités en poids de (a) et de (b) sont exprimées par rapport au polymère anhydre et le polymérisat pulvérulent est porté à une température comprise entre 150 et 250 ~C avec un composé au moins bifonctionnel pouvant réagir avec des groupes acides pour en réticuler la surface. Le polymérisat pulvérulent réticulé en surface est soumis à un autre traitement de réticulation de surface, à une température comprise entre 150 et 250 ~C, avec un composé au moins bifonctionnel pouvant réagir avec des groupes acides. L'invention concerne en outre un procédé de production de polymérisats de ce type, ainsi que leur utilisation comme absorbants d'eau et de liquides aqueux, notamment dans des structures destinées à absorber des liquides organiques, ainsi que dans des câbles conducteurs ou des câbles à fibres optiques, comme constituants de matériaux d'emballage, comme agents d'amélioration des sols et comme sol artificiel pour cultiver des plantes.
CA002171085A 1993-09-29 1994-09-21 Polymeres pulverulents absorbant des liquides aqueux, leur procede de preparation et leur utilisation comme absorbants Expired - Fee Related CA2171085C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4333056A DE4333056C2 (de) 1993-09-29 1993-09-29 Pulverförmige, wäßrige Flüssigkeiten absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung als Absorptionsmittel
DEP4333056.8 1993-09-29
PCT/EP1994/003153 WO1995009014A1 (fr) 1993-09-29 1994-09-21 Polymeres pulverulents absorbant des liquides aqueux, leur procede de preparation et leur utilisation comme absorbants

Publications (2)

Publication Number Publication Date
CA2171085A1 CA2171085A1 (fr) 1995-04-06
CA2171085C true CA2171085C (fr) 1999-06-29

Family

ID=6498885

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002171085A Expired - Fee Related CA2171085C (fr) 1993-09-29 1994-09-21 Polymeres pulverulents absorbant des liquides aqueux, leur procede de preparation et leur utilisation comme absorbants

Country Status (22)

Country Link
US (1) US5672633A (fr)
EP (1) EP0721354B1 (fr)
JP (1) JP2847113B2 (fr)
KR (1) KR100336706B1 (fr)
AT (1) ATE189397T1 (fr)
AU (1) AU687892B2 (fr)
CA (1) CA2171085C (fr)
CZ (1) CZ62096A3 (fr)
DE (2) DE4333056C2 (fr)
ES (1) ES2089992T1 (fr)
FI (1) FI961379A (fr)
GR (1) GR960300050T1 (fr)
HU (1) HU214360B (fr)
IL (1) IL110874A (fr)
PL (1) PL176656B1 (fr)
RU (1) RU2125468C1 (fr)
SK (1) SK35996A3 (fr)
TR (1) TR27895A (fr)
TW (1) TW282482B (fr)
UA (1) UA41960C2 (fr)
WO (1) WO1995009014A1 (fr)
ZA (1) ZA947136B (fr)

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HU9600803D0 (en) 1996-05-28
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IL110874A (en) 1999-08-17
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